On Thursday evening, the aviation community received a true shocker as Delta announced a 20 percent acquisition in the LATAM Airlines Group in the form of a $1.9 billion investment in the largest South American carrier. The deal will see Delta significantly increase its reach in South America, as both carriers cooperate on flights between both region; while improving much-needed cash flow generation for LATAM, enabling it to focus on its future strategic objectives. Notwithstanding, LATAM will leave the Oneworld…